/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package All.Servlet;

import All.BO.AccountBO;
import All.DTO.AccountBean;
import All.DTO.AccountDTO;
import All.utility.UserManagerProperties;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author NGUYEN DANG
 */
public class LoginServlet extends HttpServlet {

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        HttpSession session = request.getSession(true);
        try {
            String username = request.getParameter("txtUsername");
            String password = request.getParameter("txtPassword");
            AccountBO accountBO = new AccountBO();
            boolean loginOK = accountBO.login(username, password);
            if(loginOK)
            {
                    AccountDTO accountDTO = accountBO.getUserInformation(username);
                    AccountBean accountBean = new AccountBean();
                    accountBean.initUserBeanFromDTO(accountDTO);
                    session.setAttribute("UserBean", accountBean);
                    if (accountBean.getRole().equalsIgnoreCase(UserManagerProperties.ADMIN_ROLE)) 
                    {
	            	String path = "./Admin.jsp";
	            	RequestDispatcher dispatcher = request.getRequestDispatcher(path);
	            	dispatcher.forward(request, response);
                    
                    }
                    else
                    {
                        response.sendRedirect("./index.jsp");
                    }
            }
            else
            {
                out.println("<h1 align='center'>Dang Nhap That Bai</h1>");
                out.println("<h3 align='center'>vui long kiem tra ten dang nhap va mat khau</h3>");
                out.println("<input type='button' value='Dang Nhap' onclick='javascript:history.back()' />");
            }
        }catch(Exception e)
        {
            out.println(e);
        }
        finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
